Question

thirty percent of all cancer deaths are caused by ______.
a. high - fat diets
b. sun exposure
c. smoking
d. sexually transmitted infections
please select the best answer from the choices provided.
○ a
○ b
○ c
○ d

Explanation:

Smoking is well-documented as the leading preventable cause of cancer, responsible for approximately 30% of all cancer deaths globally. The other options contribute to fewer cancer deaths in comparison: high-fat diets, sun exposure, and sexually transmitted infections have lower overall cancer mortality percentages.

Answer:

C. smoking